Home / 8,364.52-12,546.79-2,821.75

Finding the Fourth Proportional to 8,364.52, 12,546.79 and 2,821.75

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Solution

The fourth proportional to 8,364.52, 12,546.79 and 2,821.75 is: 4,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.52 : 12,546.79 = 2,821.75 : x
  2. Step 2: Convert to fraction form
    8,364.52/12,546.79 = 2,821.75/x
  3. Step 3: Cross multiply
    8,364.52x = 12,546.79 × 2,821.75
  4. Step 4: Simplify right side
    8,364.52x = 35,403,904.68
  5. Step 5: Solve for x
    x = 35,403,904.68/8,364.52
  6. Step 6: Final answer
    x = 4,232.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.